v

vent

Narrow passage at the top of the die which permits air to escape from the die cavity as it is filled with molten metal.

vulcanization (vulcanisation)

Also referred to as curing, it is a process in which uncured mixed rubber compounds, of the type used in tire manufacturing, are converted from an essentially plastic state to an essentially elastic state through the formation of crosslinks formed by reaction with sulfur in the presence of heat and pressure.